EP 1605934 A1 20051221 - PRODUCTION OF 5-METHYL-N-(METHYL ARYL)-2-PYRROLIDONE, 5-METHYL-N-(METHYL CYCLOALKYL)-2-PYRROLIDONE AND 5-METHYL-N-ALKYL-2-PYRROLIDONE
Title (en)
PRODUCTION OF 5-METHYL-N-(METHYL ARYL)-2-PYRROLIDONE, 5-METHYL-N-(METHYL CYCLOALKYL)-2-PYRROLIDONE AND 5-METHYL-N-ALKYL-2-PYRROLIDONE
Title (de)
PRODUKTION VON 5-METHYL-N-(METHYLARYL)-2-PYRROLIDON, 5-METHYL-N-(METHYLCYCLOALKYL)-2-PYRROLIDON UND 5-METHYL-N-ALKYL-2-PYRROLIDON
Title (fr)
PRODUCTION DE 5-METHYL-N-(METHYLARYL)-2-PYRROLIDONE, DE 5-METHYL-N-(METHYLCYCLOALKYL)-2-PYRROLIDONE ET DE 5-METHYL-N-ALKYL-2-PYRROLIDONE
Publication
Application
Priority
- US 2004009001 W 20040323
- US 39604803 A 20030324
Abstract (en)
[origin: WO2004084888A1] This invention relates to a process for producing 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid with aryl cyano compounds utilizing a metal catalyst, which is optionally supported.
IPC 1-7
IPC 8 full level
C07D 207/267 (2006.01); C07D 207/26 (2006.01)
CPC (source: EP KR US)
A61K 31/4015 (2013.01 - KR); C07D 207/267 (2013.01 - EP KR US)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
WO 2004084888 A1 20041007; AU 2004224294 A1 20041007; BR PI0409021 A 20060328; CA 2520431 A1 20041007; CN 1764451 A 20060426; EP 1605934 A1 20051221; EP 1605934 A4 20081008; JP 2006521390 A 20060921; KR 20050114687 A 20051206; US 2004204592 A1 20041014; US 6841520 B2 20050111
DOCDB simple family (application)
US 2004009001 W 20040323; AU 2004224294 A 20040323; BR PI0409021 A 20040323; CA 2520431 A 20040323; CN 200480007850 A 20040323; EP 04758116 A 20040323; JP 2006509253 A 20040323; KR 20057017858 A 20050923; US 39604803 A 20030324